Barrier layer
[计] 阻挡层, 势垒层
🧩 词语组成解析
layer
['leiə]
n. 层，层次;膜;[植]压条;放置者，计划者;
vt. 把…分层堆放;借助压条法;生根繁殖;将（头发）剪成不同层次;
vi. 形成或分成层次;[植]通过压条法而生根;
🗣️ 情景例句
It took years of hard work.
那需要多年辛苦工作。
I got your back.
放心！
It's raining! That means You don't need to water the garden.
下雨了，这就是就是说，你不必给花园浇水了。